import java.util.Scanner;

public class Main1049 {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        int n=sc.nextInt();
        if (n<1||n>9){
            System.out.println("out");
        }else if (n==1) {
            System.out.println("one");
        }else if (n==2) {
            System.out.println("two");
        }else if (n==3) {
            System.out.println("three");
        }else if (n==4) {
            System.out.println("four");
        }else if (n==5) {
            System.out.println("five");
        }else if (n==6) {
            System.out.println("six");
        }else if (n==7) {
            System.out.println("seven");
        }else if (n==8) {
            System.out.println("eight");
        }else if (n==9) {
            System.out.println("nine");
        }
    }
}
